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Protocols - Immunofluorescence: General PBMC

The following protocol used human PBMC that were isolated from whole human blood (Ficoll method) and plated onto fibronectin-coated coverslips in 10% FCS/DMEM supplemented with pen/strep and L-glutamine. Cells were allowed to adhere at 37˚C for 1 hour before being fixed in 4% paraformaldehyde for 20 minutes at room temperature.

Fixed cells were permeabilized with 0.1% Triton X-100/PBS for 2 minutes before being washed extensively with PBS.

Coverslips were blocked with 1% BSA/PBS.

Slides were stained with the primary antibody (diluted in 1%BSA/PBS) at room temperature for 1 hour.

Cells were stained with the secondary antibodies for cytoskeleton and nuclei detection.